الفهرس 
Multiorgan system effects of COVID-19Only 14 pages are availabe for public view
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Abstract
The COVID-19 pandmeic has led to global pandemic and substantial health, economic and social impact. The causative agent is coronavirus-2 (SARS-CoV-2) which belongs to the coronavirus family. The clinical picture of the infection ranges from a flu-like symptoms to severe pneumonia and mortality. Till January 2022, the cumulative number of cases exceeded 600 million worldwide with mortality rate of more than 6 million.
At the forefront of clinical care for COVID-19 are numerous guidelines, best practices and recommendations which have been prioritized and disseminated for prevention and management. Nevertheless, no clear guidelines are available, to date, for postinfectious recovery or care.
Our systematic review aimed to identify rate of total and individual presentations of post COVID condition.
The literature was reviewed till 1st July 2022, in six databases, we identified 5486 articles; after removal of duplicates and screening for eligible studies according to inclusion criteria, 17 studies were included for further qualitative and quantitative analysis.
The results showed high rate of post COVID condition among patients. With prevalence rate of 5 to 10. Fatigue was the most reported symptom with prevalence of 34% among patients (RE: 0.33%, 95%CI: 0.32 – 0.35). The second highest common symptom was breathlessness with prevalence of 31% (RE: 0.31, 95%CI: 0.20 – 0.43). Mental health symptoms including anxiety and depression were also distinctly frequent.
We also reported on different neurocognitive symptoms including attention and memory problems with rate of 16% (RE: 0.16, 95% CI: 0.11 – 0.22) and 19% (RE: 0.19, 95%CI: 0.14 – 0.26 respectively.